I may get a 29 (20x12x18) and may go for some tetras, I plan on going for rummynose and or red eyed tetras, how many tetras could I keep in there? how many of each (if I can mix them), I know I want atleast 10 of one type of the tetras, 10-20 otocinclus, and maybe 10 or so cory cats
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